Home / 20,111,350.74-30,170,027.76-9,329,741.52

Finding the Fourth Proportional to 20,111,350.74, 30,170,027.76 and 9,329,741.52

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Solution

The fourth proportional to 20,111,350.74, 30,170,027.76 and 9,329,741.52 is: 13,996,004.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111,350.74 : 30,170,027.76 = 9,329,741.52 : x
  2. Step 2: Convert to fraction form
    20,111,350.74/30,170,027.76 = 9,329,741.52/x
  3. Step 3: Cross multiply
    20,111,350.74x = 30,170,027.76 × 9,329,741.52
  4. Step 4: Simplify right side
    20,111,350.74x = 281,478,560,652,024.62
  5. Step 5: Solve for x
    x = 281,478,560,652,024.62/20,111,350.74
  6. Step 6: Final answer
    x = 13,996,004.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.